105231522 has 32 divisors (see below), whose sum is σ = 231511104. Its totient is φ = 31885920.

The previous prime is 105231521. The next prime is 105231523. The reversal of 105231522 is 225132501.

It is an interprime number because it is at equal distance from previous prime (105231521) and next prime (105231523).

It is a super-2 number, since 2×105231522² = 22147346444872968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105231521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1398 + ... + 14574.

It is an arithmetic number, because the mean of its divisors is an integer number (7234722).

Almost surely, 2^105231522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105231522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115755552).

105231522 is an abundant number, since it is smaller than the sum of its proper divisors (126279582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105231522 is a wasteful number, since it uses less digits than its factorization.

105231522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13215 (or 13193 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 105231522 is about 10258.2416621953. The cubic root of 105231522 is about 472.1158895029.

The spelling of 105231522 in words is "one hundred five million, two hundred thirty-one thousand, five hundred twenty-two".